[U-Boot] [PATCH 00/13] dm: arm: zynq: Convert serial driver to driver model

Michal Simek monstr at monstr.eu
Tue Sep 1 17:45:54 CEST 2015 

On 09/01/2015 01:12 AM, Simon Glass wrote:
> Hi Michal,
> 
> On 31 August 2015 at 08:11, Michal Simek <monstr at monstr.eu> wrote:
>> On 08/29/2015 05:10 PM, Simon Glass wrote:
>>> This series updates the Zynq serial driver to use driver model. Along the
>>> way several problems are fixed:
>>>
>>> - Support for /chosen/stdout-path using an alias
>>> - Fix to fdtgrep which is currently breaking alias building
>>> - Avoid building u-boot-spl-dtb.bin when it is not requested
>>> - Deal with boards which have BSS in SDRAM
>>>
>>> For zynq this series makes a few changes:
>>> - Use the new SPL init procedure, which just involves a few tweaks for zynq
>>> - Add debug UART support
>>> - Move to using a separate device tree instead of embedded
>>>
>>> Only zybo has been tested. Testing on other zynq boards is welcome. They are
>>> all set up roughly the same so I expect only minor problems.
>>>
>>> For some reason zynqmp does not have a device tree, so this series does not
>>> work on that. But that board fails to build on mainline for me anyway so
>>> perhaps nothing is lost. I don't have a board to test with so help on this
>>> would be appreciated!
>>
>> I have no problem to build zynqmp on my PC. Can you please c&p error
>> which you are getting?
> 
> I get this:
> 
> $ buildman zynqmp
> Building current source for 1 boards (1 thread, 32 jobs per thread)
>    aarch64:  +   xilinx_zynqmp_ep
> +      ((u32)(priv->rxbuffers) +
> +       ^
> +   writel((u32)priv->rx_bd, &regs->rxqbase);
> +          ^
> +arch/arm/include/asm/io.h:146:34: note: in definition of macro 'writel'
> + #define writel(v,c) ({ u32 __v = v; __iowmb(); __arch_putl(__v,c); __v; })
> +                                  ^
> +  writel((u32)priv->tx_bd, &regs->txqbase);
> +         ^
> +  priv->tx_bd->addr = (u32)ptr;
> +                      ^
> +  addr = (u32) ptr;
> +  addr = (u32)priv->rxbuffers;
> +   net_process_received_packet((u8 *)addr, frame_len);
> +                               ^
> +  priv->rx_bd = (struct emac_bd *)((u32)bd_space + BD_SEPRN_SPACE);
> +                                   ^
> +                ^
> +  dwc3_flush_cache((int)trb, sizeof(*trb));
> +                   ^
> +  dma_unmap_single((void *)dwc->scratch_addr, dwc->nr_scratch *
> +  dma_unmap_single((void *)req->dma, req->length,
> +    dwc3_flush_cache((int)trb, sizeof(*trb));
> +                     ^
> +   dwc3_flush_cache((int)dwc->ep0_bounce, DWC3_EP0_BOUNCE_SIZE);
> +                    ^
> +  dwc->regs = (int *)(dwc3_dev->base + DWC3_GLOBALS_REGS_START);
> +              ^
> +  debug("%s: dev->in_req->length:%d to_cpy:%d\n", __func__,
> +  ^
> +    dwc3_flush_cache((int)evt->buf, evt->length);
> w+drivers/net/zynq_gem.c: In function 'zynq_gem_init':
> w+drivers/net/zynq_gem.c:330:7: warning: cast from pointer to integer
> of different size [-Wpointer-to-int-cast]
> w+In file included from drivers/net/zynq_gem.c:19:0:
> w+drivers/net/zynq_gem.c:336:10: warning: cast from pointer to integer
> of different size [-Wpointer-to-int-cast]
> w+drivers/net/zynq_gem.c: In function 'zynq_gem_send':
> w+drivers/net/zynq_gem.c:399:9: warning: cast from pointer to integer
> of different size [-Wpointer-to-int-cast]
> w+drivers/net/zynq_gem.c:404:22: warning: cast from pointer to integer
> of different size [-Wpointer-to-int-cast]
> w+drivers/net/zynq_gem.c:409:9: warning: cast from pointer to integer
> of different size [-Wpointer-to-int-cast]
> w+drivers/net/zynq_gem.c:414:9: warning: cast from pointer to integer
> of different size [-Wpointer-to-int-cast]
> w+drivers/net/zynq_gem.c: In function 'zynq_gem_recv':
> w+drivers/net/zynq_gem.c:454:31: warning: cast to pointer from integer
> of different size [-Wint-to-pointer-cast]
> w+drivers/net/zynq_gem.c: In function 'zynq_gem_initialize':
> w+drivers/net/zynq_gem.c:533:35: warning: cast from pointer to integer
> of different size [-Wpointer-to-int-cast]
> w+drivers/net/zynq_gem.c:533:16: warning: cast to pointer from integer
> of different size [-Wint-to-pointer-cast]
> w+drivers/usb/dwc3/ep0.c: In function 'dwc3_ep0_start_trans':
> w+drivers/usb/dwc3/ep0.c:85:19: warning: cast from pointer to integer
> of different size [-Wpointer-to-int-cast]
> w+drivers/usb/dwc3/core.c: In function 'dwc3_setup_scratch_buffers':
> w+drivers/usb/dwc3/core.c:284:19: warning: cast to pointer from
> integer of different size [-Wint-to-pointer-cast]
> w+drivers/usb/dwc3/core.c: In function 'dwc3_free_scratch_buffers':
> w+drivers/usb/dwc3/core.c:299:19: warning: cast to pointer from
> integer of different size [-Wint-to-pointer-cast]
> w+drivers/usb/gadget/udc/udc-core.c: In function 'usb_gadget_unmap_request':
> w+drivers/usb/gadget/udc/udc-core.c:68:19: warning: cast to pointer
> from integer of different size [-Wint-to-pointer-cast]
> w+drivers/usb/dwc3/ep0.c: In function 'dwc3_ep0_complete_data':
> w+drivers/usb/dwc3/ep0.c:793:19: warning: cast from pointer to integer
> of different size [-Wpointer-to-int-cast]
> w+drivers/usb/dwc3/ep0.c:824:21: warning: cast from pointer to integer
> of different size [-Wpointer-to-int-cast]
> w+drivers/usb/dwc3/ep0.c:834:20: warning: cast from pointer to integer
> of different size [-Wpointer-to-int-cast]
> w+drivers/usb/dwc3/core.c: In function 'dwc3_uboot_init':
> w+drivers/usb/dwc3/core.c:632:14: warning: cast to pointer from
> integer of different size [-Wint-to-pointer-cast]
> w+drivers/usb/dwc3/gadget.c: In function 'dwc3_prepare_one_trb':
> w+drivers/usb/dwc3/gadget.c:775:19: warning: cast from pointer to
> integer of different size [-Wpointer-to-int-cast]
> w+drivers/usb/dwc3/gadget.c: In function 'dwc3_cleanup_done_reqs':
> w+drivers/usb/dwc3/gadget.c:1772:19: warning: cast from pointer to
> integer of different size [-Wpointer-to-int-cast]
> w+drivers/usb/gadget/f_thor.c: In function 'thor_tx_data':
> w+drivers/usb/gadget/f_thor.c:568:2: warning: format '%d' expects
> argument of type 'int', but argument 4 has type 'long unsigned int'
> [-Wformat=]
> w+drivers/usb/dwc3/gadget.c: In function 'dwc3_gadget_uboot_handle_interrupt':
> w+drivers/usb/dwc3/gadget.c:2673:21: warning: cast from pointer to
> integer of different size [-Wpointer-to-int-cast]
>     0    1    0 /1      xilinx_zynqmp_ep

gem and usb warnings but as you see it is building. Gem warnings were
reported to Tom and that DWC3 were also reported to Marek. We will work
on fixing them.

I will look at qemu and will send you manual how you can run it.

Thanks,
Michal


-- 
Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel - Microblaze cpu - http://www.monstr.eu/fdt/
Maintainer of Linux kernel - Xilinx Zynq ARM architecture
Microblaze U-BOOT custodian and responsible for u-boot arm zynq platform


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